JAKCOM R4 Smart Ring better than mhz identification card printer m4 smart bracelet wireless uart official store rfid ring
![JAKCOM R4 Smart Ring better than mhz identification card printer m4 smart bracelet wireless uart official store rfid ring](http://ae01.alicdn.com/kf/H94ada40360164359bbbe82d76066f246Y/JAKCOM-R4-Smart-Ring-better-than-mhz-identification-card-printer-m4-smart-bracelet-wireless-uart-official.jpg_350x350.jpg)
sku: 4001362870960
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$29.90
Shipping from: China
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